arachnoid villi


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Related to arachnoid villi: hydrocephalus, choroid plexus

arachnoid villi

[ə′rak‚nȯid′vil·ē]
References in periodicals archive ?
INPH is a disorder of CSF circulation, probably related to decreased absorption at the arachnoid villi leading to ventriculomegaly (Kernich, 2006).
Mucosal and epidermal lesions resolve with vitamin A supplementation, but it is not known whether the changes in the arachnoid villi are reversible.
Pacchionian granulations are reported more frequently among adults, but earlier stages of hypertrophic arachnoid villi can be present as early as 18 months of age.
These tumors arise from meningothelial cells concentrated in the arachnoid villi that invade the dura (1).